Question

Which one of the following is not a characteristic of
Cyclostomate
C O
They have a sucking and circular mouth
without jaws.
CO)
Cranium and vertebral column are bony
O
Blood vascular system is closed type
O
They are marine, but migrate for spawning
to fresh water​

Answer 1

Answer:

Here is your answer dear

Explanation:

Characteristics of Cyclostomata

• The body is round and elongated like an eel.
• The paired fins are absent.
• Median fins with cartilaginous fin rays.
• No paired appendages.
• The skin is soft and smooth, devoid of any scales.
• Spleen is absent.
• The exoskeleton is absent. ...
• The notochord is present throughout their lives.